Home / 11,080,000.80-16,620,001.20-10,408,154.40

Finding the Fourth Proportional to 11,080,000.80, 16,620,001.20 and 10,408,154.40

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Solution

The fourth proportional to 11,080,000.80, 16,620,001.20 and 10,408,154.40 is: 15,612,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080,000.80 : 16,620,001.20 = 10,408,154.40 : x
  2. Step 2: Convert to fraction form
    11,080,000.80/16,620,001.20 = 10,408,154.40/x
  3. Step 3: Cross multiply
    11,080,000.80x = 16,620,001.20 × 10,408,154.40
  4. Step 4: Simplify right side
    11,080,000.80x = 172,983,538,617,785.28
  5. Step 5: Solve for x
    x = 172,983,538,617,785.28/11,080,000.80
  6. Step 6: Final answer
    x = 15,612,231.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.